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Finding the Fourth Proportional to 22,325.85, 30,809.99 and 12,254.11

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Solution

The fourth proportional to 22,325.85, 30,809.99 and 12,254.11 is: 16,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,325.85 : 30,809.99 = 12,254.11 : x
  2. Step 2: Convert to fraction form
    22,325.85/30,809.99 = 12,254.11/x
  3. Step 3: Cross multiply
    22,325.85x = 30,809.99 × 12,254.11
  4. Step 4: Simplify right side
    22,325.85x = 377,548,960.17
  5. Step 5: Solve for x
    x = 377,548,960.17/22,325.85
  6. Step 6: Final answer
    x = 16,910.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.